1993133312992 has 48 divisors (see below), whose sum is σ = 3964710177792. Its totient is φ = 986235649920.

The previous prime is 1993133312987. The next prime is 1993133313011. The reversal of 1993133312992 is 2992133313991.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4780153 + ... + 5180359.

It is an arithmetic number, because the mean of its divisors is an integer number (82598128704).

Almost surely, 2^{1993133312992} is an apocalyptic number.

It is an amenable number.

1993133312992 is a deficient number, since it is larger than the sum of its proper divisors (1971576864800).

1993133312992 is a wasteful number, since it uses less digits than its factorization.

1993133312992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401831 (or 401823 counting only the distinct ones).

The product of its digits is 2125764, while the sum is 55.

Subtracting 1993133312992 from its reverse (2992133313991), we obtain a palindrome (999000000999).

The spelling of 1993133312992 in words is "one trillion, nine hundred ninety-three billion, one hundred thirty-three million, three hundred twelve thousand, nine hundred ninety-two".